The shooting occurred behind the Copper Bucket bar on the 17700 block of Vanowen Street near White Oak Avenue at 9 p.m.
The male victim was shot in the right arm and shoulder, and transported to a local hospital with non-life-threatening wounds.
The suspect was described as a Hispanic male, about 30 years old, standing around 6 feet tall with a medium build and a full beard. He was last seen wearing a white shirt and black pants.
The motive for the shooting remains unknown. Anyone with information regarding the shooting was urged to contact the LAPD's West Valley Station at (818) 374-7611.
